Improvement in shutter-bowers



T THORN- Shutter-BOWGT- No. 208,937. Patented Oct.'15,187s.

MN5/WUR;

UNITED STATES PATENT OEEIoE.

THEODOBE THORN, OF ST. CLAIR, PENNSYLVANIA.

IMPROVEMENT IN s'HUTTER-BowERs.

Specification forming part of Letters Patent No. 208,937, dated Octoberl5, 1878; application filed June 20, 1878.

To all 'whom it may concern:

Be it known that I, THEoDoRE THORN, of St. Clair, in the county ofSchuylkill and State of Pennsylvania, have invented a new and usefulImprovement in Sl1utter-Bowers, which improvement is fully set forth inthe following specification, reference being had to the accompanyingdrawings.

The object of my invention is to provide a shutter bower or fastenerwhich will secure and fasten a pair of shutters or double doors so thatthey cannot be opened from the outside, and also hold them securelyopen, either partly or fully, as may be desired, which object isattained by the use, in novel combination, of two sliding bars, onesliding Within the other, with suitable hinges and fasteners, as shownin the drawings, and hereinafter more fully described and claimed; myinvention as now presented .being an improvement on the invention forwhich Letters Patent No. 198,166 were granted on the 11th day ofDecember, A. D. 1877.

In the accompanying drawings, in which similar letters of referenceindicate like parts, Figure l is a front view of my invention; Fig. 2, asection through the linew m, and Fig. 3 a section through the line o c.

A represents a sliding bar itting into the bar B, and having holes Gr Gin it. B is a bar having turned-over edges, so as to hold the bar A,which slides in it. C C are portions of a hinge, which may be made towork in screw eyes, or as a regular pin-hinge. E is a springfastener,which secures and holds the two bars A and B together. Above and below Eare lugs E2 E2, through which a pin passes, which pin, also passingthrough E, pivots it. The spring H throws the back end of the fastener Eup, and depresses the locking lug or bolt E3, which fits into the holesG Gr. D is a sliding band, which, being slipped over E at El, disengages the fastener, and allows the bar A to slide in and out of Bfreely.

The shutter-bower is operated as follows: The bars A and B are hinged,at C C, to a pair of shutters on the inside, the bar A sliding' into thebar B. The shutters are then bowed as desired, and the lug E3 on thefast-ener E is forced by the spring H into one of the holes G G in thebar A, thus securing the bower and holding the shutters in position. Torelease the shutters the fastener is pressed down at El, and the barswill then slide easily, al-v lowing the shutters to be opened or closed.The band D may be used at any time when it is desired that the bower beinoperative by simply slipping it over E at E'.

It will be observed that this invention embodies the principle of myinvention for which Letters Patent No. 198,166 were issued; but the modeof operating is simplified and the fastening made much more secure.

In the drawingI show, to the left of the fastener E in Fig. 1, how thebar B is slotted out and the spring H put in to operate the fastener.'In long bowers for very wide windows I place two or more fastenersl atdifferent points on the bar B, so as to allow the shutters -to be bowedclose together or be held wide open rmly and securely. The shutterbowersanswer the full purpose of shutterstays, holding the shutters wide open,as well as serving for a fastener when they are closed or bowed.

I claim as my invention- The combination, in a shutter-bower, of thesliding bars A and B, working in hinges at C C, the fastener E, operatedby spring H, and having a locking lug or bolt, E, which engages in holesG G in bar A, and the sliding band D, for holding thefastener E open,substantially as and for the purpose hereinbefore set forth.

THEODORE THORN. ivitnesses:

CHARLES J. ELLIOTT, BARD WELLS.

